East bay, remote, seattle, sf, silicon valley, la, ny
11 - 25 employees
11 - 25 engineers
$5m - $10m funding
Series a

ResFrac makes physics-based simulation software for the geothermal and oil & gas industries. Our customers use ResFrac to do 'what if' analysis.

Why join us?

  • We are seeing sustained growth in customers and revenue. Ever since launching commercially in 2018, we have had annual growth rate of >100%, even through the slow period during the depths of the pandemic.

  • Scientific simulation software such as ours is quite sticky. Our product has >100% net retention rate — companies consistently increase spending after buying a subscription. We stack up well (top quartile) based on common metrics for SaaS companies.

  • Our product is built upon unique technical expertise that is hard for others to replicate. Because our business is focused on a specialized niche, all of our staff, including client-facing and sales staff, have technical backgrounds.

  • We are the go-to simulator for simulation of next-generation geothermal energy systems.

  • Our customers range from small independent companies to the largest enterprises in the world, including several household names.

  • Our investor is a well-respected boutique VC firm with extensive connections in the energy industry.

  • We are profitable.

Engineering at ResFrac

Engineering team and processes

We have five full-time staff members working on software development, and also engage an outside firm (which we are planning to wind down over time) for UI development. Internally, we continually define new products and features. We know what products and features we want to have three-to-12 months out, and work on implementing those with goals at approximately a monthly cadence. We typically employ Kanban (to do list)-style project management. We use feature and dev branches in our source control system, so the main branch is always production-ready. We employ dev-test-prod segregation of environments. Within our internal codebase, each engineer has a domain for which they are the main owner.

Technical Challenges

Our product enables users (engineers and earth scientists) to integrate lots of different datasets from the subsurface engineering business within our uniquely capable physics-based simulator. Making this accessible to a wide range of users, from power users to relatively junior people, has been a major challenge. We really want customers to have a positive experience using our software, including with small details. Because of this, we do a lot of interesting things with handling scientific data inputs, outputs, and 2D and 3D data visualization.

Projects you might work on
  • You would take a leading role in development of our user interface, which is a desktop app built with web technologies. This app includes an Angular front end, an Electron back end, 2D and 3D visualization, and interactions with our web API. Users define and view results for simulations locally, and the simulations run on our serverless back-end hosted on Microsoft Azure.

    Over the past year we have been extending this product to employ the simulator in machine-learning-style workflows. These capabilities have clearly valuable applications, and our customers have been quick to adopt them into their day-to-day work.

  • Customers are constantly asking us for new features in the UI, including collaboration, data compatibility, management, reporting, and visualization tools.

  • We are planning to add a new customer-facing management web portal.

Tech stack
Azure Cloud
Angular 7

Working at ResFrac

We care about making our customers happy, and we care about doing good science in our core product. Whenever we make a mistake, we recognize the error and strive to get better going forward. We want our people to do work that they feel proud of.

Diversity and Inclusion
Connect with our team during your hiring process

As part of our commitment to an inclusive workplace, we are happy to offer prospective engineers the chance to connect with our engineering employees who come from underrepresented backgrounds. It’s a way to get a better sense of our team and what it might be like to work with us.

If you’re interested in connecting with our team, be sure to bring this up during one of our introductory calls!

Perks & benefits
  • Work from Home

    We are a fully remote company. You can work from anywhere that you like.

  • Flexible Hours

    We don't have prescribed hours for when you have to 'be at work.' The company works during North American business hours.

  • Health Insurance

    The company pays for 100% of the premium for employee medical, dental, and vision coverage at the Gold level, and covers 75% of the premium for dependents.

  • Generous Vacation

    Unmetered vacation.

  • 401(k) Contribution

    Our 401(k) plan allows pre- and post-tax employee contributions, with a good selection of investment options.

  • Workshops/Conferences

    We encourage staff members to attend and/or present at relevant trainings, workshops and conferences. The company will pay for related expenses.

  • Travel

    Occasional travel within US and Canada for customer visits, company retreats, and planning meetings.

  • Team Activities

    From time to time we do team building activities when the company gathers in person.

  • Company Retreats

    We have an annual event that all staff members are encouraged to attend. In the past we've coordinated this with a major business event, such as our annual users' meeting. The location changes from year to year. Representative locations include Denver, CO, Houston, TX, Austin, TX, and Calgary, AB.

  • LGBTQ+ friendly
  • Minority-led company
Our Team by the Numbers

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